Home / 784,994.20-1,178,009.70-448,034.20

Finding the Fourth Proportional to 784,994.20, 1,178,009.70 and 448,034.20

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Solution

The fourth proportional to 784,994.20, 1,178,009.70 and 448,034.20 is: 672,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,994.20 : 1,178,009.70 = 448,034.20 : x
  2. Step 2: Convert to fraction form
    784,994.20/1,178,009.70 = 448,034.20/x
  3. Step 3: Cross multiply
    784,994.20x = 1,178,009.70 × 448,034.20
  4. Step 4: Simplify right side
    784,994.20x = 527,788,633,531.74
  5. Step 5: Solve for x
    x = 527,788,633,531.74/784,994.20
  6. Step 6: Final answer
    x = 672,347.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.